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120210012201221 = 592037457833919
BaseRepresentation
bin11011010101010010010011…
…000100110110000100000101
3120202121222001102210020111022
4123111102103010312010011
5111224010101110414341
61103355414531120525
734214613110351165
oct3325222304660405
9522558042706438
10120210012201221
1135336864023378
1211595609a43145
13520c9a8b18a67
1421982a4b6c5a5
15dd6e11a97e4b
hex6d5493136105

120210012201221 has 4 divisors (see below), whose sum is σ = 122247470035200. Its totient is φ = 118172554367244.

The previous prime is 120210012201179. The next prime is 120210012201269. The reversal of 120210012201221 is 122102210012021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120210012201221 - 238 = 119935134294277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120210012201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210612201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018728916901 + ... + 1018728917018.

It is an arithmetic number, because the mean of its divisors is an integer number (30561867508800).

Almost surely, 2120210012201221 is an apocalyptic number.

It is an amenable number.

120210012201221 is a deficient number, since it is larger than the sum of its proper divisors (2037457833979).

120210012201221 is an equidigital number, since it uses as much as digits as its factorization.

120210012201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037457833978.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120210012201221 its reverse (122102210012021), we get a palindrome (242312222213242).

The spelling of 120210012201221 in words is "one hundred twenty trillion, two hundred ten billion, twelve million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 59 2037457833919 120210012201221